Water Supply Engineering - Section 1

The yield of a rapid gravity filter as compared to that of slow sand filter, is

Aeration of water is done to remove

The fire demand of a city may be worked out by

If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is

Time of concentration

Average annual rainfall at any station is the average of annual rainfall over a period of

The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is

Sunlight